Mazda MX-5 Miata Sport 2007 Manual page 57

2007 Mazda MX-5 Miata Sport
2006-08 ENGINE Mechanical - Overhaul - 2.0L (LF) & 2.3L (L3) - Mazda6 & MX-5 Miata
1. Measure the length of each bolt.
If it exceeds the specification, replace the bolt.

Bolt length (mm {in})
Cylinder head bolt (With washer)
Standard: 149.2-149.8 {5.87-5.90}
Maximum: 150.5 {5.91}
Cylinder head bolt (Without washer)
Standard: 145.2-145.8 {5.72-5.74}
Maximum: 146.5 {5.77}
Connecting rod bolt
Standard: 44.7-45.3 {1.75-1.78}
Maximum: 46.0 {1.81}
Main bearing cap bolt (Plastic region tightening bolt only)
Standard: 110.0-110.6 {4.33-4.35}
Maximum: 111.3 {4.38}